It presents the results of a study about management control in non-profit organizations, focusing on the particular case of the Associations of Economists in Spain. In order to do it, a revision of literature and empirical studies have taken place to find out the implementation and level development of the instruments of management accounting in non-profit organizations. The study has been completed with three empirical studies, first directed to Associations of Economists in Spain, the second to associations from the UK related to the economy and the company, and, third directed to users from an Economists'Professional Association. Moreover, interviews of managers of different Associations from the UK have been made.